2027 search results - page 305 / 406 » An Adaptive Query Execution System for Data Integration |
171
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SIGMETRICS
2003
ACM
15 years 10 months ago
2003
ACM
Caches have become increasingly important with the widening gap between main memory and processor speeds. However, they are a source of unpredictability due to their characteristi...
154
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ENVSOFT
2002
15 years 4 months ago
2002
Many challenges are associated with the integration of geographic information systems (GISs) with models in specific applications. One of them is adapting models to the environmen...
157
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EDBT
2009
ACM
15 years 9 months ago
2009
ACM
Text corpora are often enhanced by additional metadata which relate real-world entities, with each document in which such entities are discussed. Such relationships are typically ...
136
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DOLAP
2000
ACM
15 years 9 months ago
2000
ACM
With the use of data warehousing and online analytical processing (OLAP) for decision support applications new security issues arise. The goal of this paper is to introduce an OLA...
157
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VLDB
2002
ACM
15 years 4 months ago
2002
ACM
Accurate prediction of operator execution time is a prerequisite for database query optimization. Although extensively studied for conventional disk-based DBMSs, cost modeling in ...